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Amino Amigos vs Royal Peptides
Head-to-head on 17 shared peptides: Amino Amigos is cheaper on 1, Royal Peptides on 16. Average price gap 47% — compared Oct 26, 2026.
- Catalog
- 17 peptides
- In stock (shared)
- 17
- Last checked
- Oct 19, 2026(stale · 7d old)
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- Catalog
- 25 peptides
- In stock (shared)
- 17
- Last checked
- Oct 26, 2026(updated today)
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Price comparison — 17 shared peptides
Prices last checked Oct 26, 2026| Peptide | Amino Amigos | Royal Peptides | Δ $/mg |
|---|---|---|---|
| AOD-9604 | $19.00/mg 2mg · $38.00 | $8.50/mgcheaper 50mg · $425.00 | 55% |
| DSIP | $8.75/mg 4mg · $35.00 | $5.50/mgcheaper 100mg · $550.00 | 37% |
| Epithalon | $4.00/mg 10mg · $40.00 | $1.16/mgcheaper 500mg · $580.00 | 71% |
| GHK-Cu | $0.65/mg 100mg · $65.00 | $0.54/mgcheaper 1000mg · $540.00 | 17% |
| GLOW | $1.50/mg 80mg · $120.00 | $0.71/mgcheaper 700mg · $500.00 | 52% |
| Ipamorelin | $5.00/mg 10mg · $50.00 | $4.50/mgcheaper 100mg · $450.00 | 10% |
| KLOW | $1.81/mg 80mg · $145.00 | $0.81/mgcheaper 800mg · $650.00 | 55% |
| Melanotan II | $4.00/mgcheaper 10mg · $40.00 | $4.60/mg 100mg · $460.00 | 13% |
| MOTS-c | $6.50/mg 10mg · $65.00 | $1.69/mgcheaper 400mg · $675.00 | 74% |
| Retatrutide | $5.92/mg 65mg · $385.00 | $1.20/mgcheaper 1000mg · $1200.00 | 80% |
| Selank | $15.00/mg 2mg · $30.00 | $4.30/mgcheaper 100mg · $430.00 | 71% |
| Semaglutide | $6.00/mg 20mg · $120.00 | $1.60/mgcheaper 300mg · $480.00 | 73% |
| Sermorelin | $5.00/mg 10mg · $50.00 | $4.60/mgcheaper 100mg · $460.00 | 8% |
| TB-500 | $7.80/mg 5mg · $39.00 | $4.85/mgcheaper 100mg · $485.00 | 38% |
| Tesamorelin | $6.00/mg 10mg · $60.00 | $3.50/mgcheaper 200mg · $700.00 | 42% |
| Thymosin Alpha-1 | $7.50/mg 10mg · $75.00 | $4.80/mgcheaper 100mg · $480.00 | 36% |
| Tirzepatide | $2.75/mg 400mg · $1099.00 | $0.90/mgcheaper 1200mg · $1080.00 | 67% |
Best available size tier per vendor, normalized to $/mg; in-stock tiers preferred. How prices are collected →
Third-party purity data
On file: Amino Amigos — 14 results (Peptigrity ×8 · Finnrick ×6) · Royal Peptides — 20 results (Peptigrity ×17 · Finnrick ×3).
Common questions
Is Amino Amigos or Royal Peptides cheaper?
Across 17 peptides both vendors sell, Amino Amigos has the lower $/mg price on 1 and Royal Peptides on 16. The average per-peptide price gap is 47%. The table above compares each vendor's best size tier on a $/mg basis.
Do Amino Amigos and Royal Peptides have third-party lab tests?
Amino Amigos has 14 third-party results on file (Peptigrity ×8 · Finnrick ×6); Royal Peptides has 20 (Peptigrity ×17 · Finnrick ×3). Independent labs test samples bought from vendors and publish HPLC purity — grade A (≥98%) is the research-use baseline.
How many peptides do Amino Amigos and Royal Peptides both sell?
Both vendors list 17 of the same peptides, including AOD-9604, DSIP, Epithalon, GHK-Cu, GLOW and 12 more. Amino Amigos tracks 17 peptides total on PepVendors; Royal Peptides tracks 25.